A combined oil screen dust filter

Abstract

The utility model discloses a combined oil-net dust filter, which relates to the technical field of oil-net dust filter equipment, including a dust filter housing, a connecting pipe A is fixedly installed at one end of the dust filter housing, a connecting pipe B is fixedly installed at the other end of the dust filter housing, connecting pipe A and connecting pipe B are respectively fixedly connected to one end of an external ventilation duct, a plurality of limit beams are fixedly installed at the middle position in the dust filter housing, two filter element frames are also movably installed in the dust filter housing located between the plurality of limit beams, a plurality of sealing strips are movably installed on the outside of the filter element frame, and a maintenance end is fixedly installed on one side of the dust filter housing. Four sealing strips are movably installed on the outside of the filter element frame, and the sealing strips are made of wear-resistant hard material, so that the four sealing strips can be installed in the dust filter housing in conjunction with connecting screws and compression springs to be inserted into the filter element frame, and fill the gap between the outside of the filter element frame and the inside of the dust filter housing or between two filter element frames, so that frequent replacement is not required, and the cleaning and maintenance time of the filter element frame is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of oil net dust filter equipment, in particular to a combined oil net dust filter. Background Art

[0002] The oil-net dust filter is a highly efficient dust removal device, which is widely used in the fields of industrial production and environmental protection. It can capture and filter dust particles in the air through a special oil-net structure, thereby keeping the air clean and pure. The core component of the oil-net dust filter is the oil net, which is composed of multiple layers of fine metal mesh or synthetic fiber mesh, and the surface is coated with special lubricating oil. When the air containing dust passes through the oil net, the dust particles are adhered to the mesh surface by the lubricating oil, while the clean air flows out through the mesh holes. As the dust particles accumulate, the oil net will gradually form a layer of dust cake, which has a better filtering effect.

[0003] Some existing oil mesh dust filters are equipped with multiple oil mesh filter elements due to size and other reasons. After the oil mesh filter elements are inserted and installed in the dust filter housing, the installation grooves on the outside of the dust filter housing are sealed with end covers. However, the filter element and the housing may not fit tightly due to improper operation or size mismatch during installation. Secondly, the manufacturing tolerances of the oil mesh filter element and the housing may also cause gaps, and the existence of gaps may affect the dust removal effect of the dust filter, that is, dust particles may escape through the gaps. A rubber sealing strip is provided on the outside of the oil mesh filter. The rubber sealing strip is exposed to the environment for a long time and will be affected by factors such as oxidation and high temperature, resulting in aging of the material. As the sealing strip ages and wears, its sealing performance will gradually decrease. Therefore, the rubber sealing strip needs to be replaced frequently, so that each cleaning and replacement of the oil mesh filter element will increase cost and time. Utility Model Content

[0004] The purpose of the utility model is to provide a combined oil-net dust filter, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A combined oil-net dust filter comprises a dust filter housing, a connecting pipe A is fixedly mounted on one end of the dust filter housing, a connecting pipe B is fixedly mounted on the other end of the dust filter housing, the connecting pipe A and the connecting pipe B are respectively fixedly connected to one end of an external ventilation duct, a plurality of limiting beams are fixedly mounted in the middle position of the dust filter housing, two filter element frames are movably mounted in the dust filter housing between the plurality of limiting beams, a plurality of sealing strips are movably mounted on the outside of the filter element frames, and an inspection end cover is fixedly mounted on one side of the dust filter housing.

[0007] As a further optimization scheme of the utility model, the three limit beams form a group, and two groups of limit beams are vertically arranged in the dust filter housing. With the help of the setting of the limit beams, on the one hand, the overall structural strength of the dust filter housing can be improved, and on the other hand, conditions can be provided for the installation of two filter element frames.

[0008] As a further optimization scheme of the utility model, two fixing frames are symmetrically fixedly installed in the filter element frame from top to bottom, an oil mesh filter element is fixedly installed in the filter element frame, four installation grooves are circumferentially opened on the outer side of the filter element frame, and multiple installation holes A are opened on the inner side of the installation grooves.

[0009] As a further optimization solution of the utility model, both ends of the sealing strip have inclined surfaces, and the angle of the inclined surfaces is forty-five degrees.

[0010] As a further optimization solution of the utility model, a plurality of embedding grooves are provided on one side of the sealing strip, a mounting hole B is provided inside the embedding groove, and a plurality of sockets are fixedly installed on the side of the sealing strip opposite to the embedding groove.

[0011] As a further optimization scheme of the utility model, the two said holders form a group, a compression spring is clamped between the two said mounting holes B, a connecting screw is inserted and installed in the mounting hole B of the sealing strip, one end of the connecting screw also passes through the corresponding mounting hole A and is threadedly connected with a nut, that is, the sealing strip is movably installed in the corresponding mounting groove by a plurality of connecting screws, and with the help of the sealing strip and the mounting groove combination arranged on the outside of the filter element frame, the filter element frame can be inserted and installed between the two groups of limiting beams in the dust filter housing, and the gap between the filter element frame and the inner side of the dust filter housing and the two filter element frames can be filled, thereby ensuring the dust filtering effect of the filter element frame, and the service life of the sealing strip and the mounting groove is long.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a combined oil-net dust filter, in which four sealing strips are movably installed on the outer side of the filter element frame, and the sealing strips are made of wear-resistant hard material, so that the four sealing strips cooperate with connecting screws and compression springs to be installed in the dust filter housing through the filter element frame, so as to fill the gap between the outer side of the filter element frame and the inner side of the dust filter housing or between two filter element frames, without the need for frequent replacement, and reducing the cleaning and maintenance time of the filter element frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a cross-sectional view of the dust filter housing of the utility model;

[0016] Figure 3 This is a schematic diagram of the filter element frame structure of the utility model;

[0017] Figure 4 for Figure 3 The enlarged view of point A in the middle;

[0018] Figure 5 It is a schematic diagram of the local structure of the sealing strip of the utility model.

[0019] In the figure: 1. Dust filter housing; 2. Connecting pipe A; 3. Connecting pipe B; 4. Inspection end cover; 5. Limiting beam; 6. Filter element frame; 7. Fixing bracket; 8. Sealing strip; 9. Mounting groove; 10. Mounting hole A; 11. Embedding groove; 12. Mounting hole B; 13. Clamping seat; 14. Compression spring; 15. Connecting screws. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] like Figure 1-Figure 5 As shown, the utility model provides a combined oil net dust filter, including a dust filter housing 1, a connecting pipe A2 is fixedly installed at one end of the dust filter housing 1, a connecting pipe B3 is fixedly installed at the other end of the dust filter housing 1, the connecting pipe A2 and the connecting pipe B3 are respectively fixedly connected to one end of an external ventilation duct, a plurality of limiting beams 5 are fixedly installed at a middle position in the dust filter housing 1, two filter element frames 6 are movably installed in the dust filter housing 1 between the plurality of limiting beams 5, a plurality of sealing strips 8 are movably installed on the outer side of the filter element frame 6, and an inspection end cover 4 is fixedly installed on one side of the dust filter housing 1.

[0022] like Figure 2-Figure 4 As shown, three limiting beams 5 form a group, and two groups of limiting beams 5 are vertically arranged in the dust filter housing 1. With the arrangement of the limiting beams 5, on the one hand, the overall structural strength of the dust filter housing 1 can be improved, and on the other hand, conditions can be provided for the installation of two filter element frames 6. Two fixing frames 7 are symmetrically fixedly installed in the filter element frame 6 from top to bottom, and an oil net filter element is fixedly installed in the filter element frame 6. Four mounting grooves 9 are circumferentially opened on the outer side of the filter element frame 6, and a plurality of mounting holes A10 are opened inside the mounting groove 9;

[0023] like Figure 3-Figure 5As shown, both ends of the sealing strip 8 have inclined surfaces, and the angle of the inclined surfaces is forty-five degrees. A plurality of embedding grooves 11 are provided on one side of the sealing strip 8, and a mounting hole B12 is provided inside the embedding groove 11. A plurality of holders 13 are fixedly installed on the side of the sealing strip 8 opposite to the embedding groove 11, and two holders 13 form a group. A compression spring 14 is clamped between the two mounting holes B12. A connecting screw 15 is inserted and installed in the mounting hole B12 of the sealing strip 8, and one end of the connecting screw 15 also passes through the corresponding mounting hole A10 and is threadedly connected with a nut, that is, the sealing strip 8 is movably installed in the corresponding mounting groove 9 through the plurality of connecting screws 15. By means of the combination of the sealing strip 8 and the mounting groove 9 arranged on the outside of the filter element frame 6, the filter element frame 6 can be inserted and installed between the two groups of limiting beams 5 in the dust filter housing 1, and the gap between the filter element frame 6 and the inner side of the dust filter housing 1 and the two filter element frames 6 can be filled, thereby ensuring the dust filtering effect of the filter element frame 6, and the service life of the sealing strip 8 and the mounting groove 9 is long.

[0024] It should be noted that the utility model is a combined oil mesh dust filter. When installing the sealing strip 8, one end of a plurality of compression springs 14 can be sequentially clamped between the corresponding two clamping seats 13, thereby realizing the preliminary installation of the compression spring 14. Then, the sealing strip 8 is installed with one side of the compression spring 14 relative to the installation groove 9, and two of the connecting screws 15 are passed through the installation holes B12 at the edges of the two ends of the sealing strip 8, and one end of the connecting screw 15 is passed through the corresponding installation hole A10 and placed in the filter element frame 6. Then, the connecting screw 15 placed in the filter element frame 6 is threadedly connected to the nut, so that the compression spring 14 is placed on the outside of the connecting screw 15 between the sealing strip 8 and the installation groove 9. Subsequently, the remaining installation holes B12 in the sealing strip 8 are sequentially installed in the same way as above. Just install the connecting screws 15. When the four sealing strips 8 on the outer circumference of the filter element frame 6 are installed, the oil mesh filter element can be installed in the filter element frame 6. Subsequently, the two filter element frames 6 can be pushed into between the two sets of limit beams 5 through the through grooves on one side of the dust filter housing 1, and the sealing strips 8 on the outer sides of the two filter element frames 6 are tightly fitted with the inner side of the dust filter housing 1 with the help of the force of the compression springs 14, and the sealing strips 8 on the opposite sides of the two filter element frames 6 are also fitted with each other with the help of the force of the compression springs 14, so that after the two filter element frames 6 are installed in the dust filter housing 1, the gaps between the filter element frame 6 and the dust filter housing 1 and between the two filter element frames 6 can be filled, thereby improving the dust filtering effect of the entire oil mesh dust filter and eliminating the tedious steps of frequently replacing the rubber sealing strips in the later stage.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A combined oil screen dust filter, characterized in that: The invention comprises a dust filter housing (1), wherein a connecting pipe A (2) is fixedly mounted on one end of the dust filter housing (1), and a connecting pipe B (3) is fixedly mounted on the other end of the dust filter housing (1); the connecting pipe A (2) and the connecting pipe B (3) are respectively fixedly connected to one end of an external ventilation duct; a plurality of limit beams (5) are fixedly mounted in the middle of the dust filter housing (1); two filter element frames (6) are movably mounted in the dust filter housing (1) between the plurality of limit beams (5); a plurality of sealing strips (8) are movably mounted on the outer side of the filter element frame (6); and an inspection end cover (4) is fixedly mounted on one side of the dust filter housing (1).

2. The combined oil screen dust filter according to claim 1, characterized in that: The three limiting beams (5) form a group, and two groups of limiting beams (5) are vertically arranged in the dust filter housing (1). With the arrangement of the limiting beams (5).

3. The combined oil screen dust filter according to claim 1, characterized in that: Two fixing frames (7) are symmetrically fixedly installed in the filter element frame (6) from top to bottom, an oil net filter element is fixedly installed in the filter element frame (6), four mounting grooves (9) are circumferentially opened on the outer side of the filter element frame (6), and a plurality of mounting holes A (10) are opened on the inner side of the mounting groove (9).

4. The combined oil screen dust filter according to claim 3, characterized in that: The sealing strip (8) has inclined surfaces at both ends, and the angle of the inclined surfaces is 45 degrees.

5. The combined oil screen dust filter according to claim 4, characterized in that: A plurality of embedding grooves (11) are provided on one side of the sealing strip (8), a mounting hole B (12) is provided inside the embedding groove (11), and a plurality of holders (13) are fixedly mounted on the side of the sealing strip (8) opposite to the embedding groove (11).

6. The combined oil screen dust filter according to claim 5, characterized in that: The two clamping seats (13) form a group, a compression spring (14) is clamped between the two mounting holes B (12), a connecting screw (15) is inserted and installed in the mounting hole B (12) of the sealing strip (8), one end of the connecting screw (15) also passes through the corresponding mounting hole A (10) and is threadedly connected with a nut, that is, the sealing strip (8) is movably installed in the corresponding mounting groove (9) through a plurality of connecting screws (15).

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